	window.onload=function show01(id,info){
				document.getElementById("userspan").innerHTML="<font color='gray'>"+info+"</font>";
			}
			function show02(id,info){
				//获取用户名文本框元素标签
				var userValue = document.getElementById(id).value;
				if(userValue==""){
					document.getElementById(id+"span").innerHTML="<font color='red'>"+info+"</font>";
				}else{
					document.getElementById(id+"span").innerHTML="";
				}
			}
